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Registration Number

0222U001116, 0119U002422 , R & D reports

Title

Development of new technologies for reducing NOx emissions by gas boilers of heat power plants of Ukrainian cities in order to implement EU directives 2010/75/EU and (EU) 2015/2193

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Head

Sihal Isaak Ya.,

Registration Date

24-01-2022

Organization

The Gas Institute of the National Academy of Sciences of Ukraine

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For boilers installed at CHPs and boiler rooms of Ukraine that using natural gas, for example of a typical boiler (physical model, adopted steam boiler BKZ-75GMA steam capacity of 75 t/h) developed new technologies to reduce NOx emissions to 100 mg/Nm3 with a combination of recirculation of flue gases into the blowing air, the using of two-stage combustion burners (modernization of standard burners BK-25850 was developed), the furnace stage combustion or the use of secondary/tertiary blowing air nozzles. It was shown that for boilers that have used up their factory designated resource to reduce NOx emissions, it is economically justified to reduce the nominal capacity of the boiler (by 15-40%, depending on the technical condition) and the use of flue gas recirculation. 

Product Description

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2022-03-09